A transparent growing chamber contains bean plants and insects that feed on the bean leaves. No food enters the chamber. Lamps shine on the chamber and the biomass of the insects increases.
Explain how energy from the lamps reaches the insects and allows their biomass to increase.
117 exam-style questions on OCR GCSE Biology 1.4 Photosynthesis, covering 1.4.1 Photosynthesisers as biomass producers, 1.4.2 Factors affecting the rate of photosynthesis, and 1.4.3 Limiting factors in photosynthesis. Each one has a worked solution and a mark scheme showing where the marks go.